- InChI
- InChI=1S/6FH.W/h6*1H;/q;;;;;;+6/p-6
- InChI Key
- NXHILIPIEUBEPD-UHFFFAOYSA-H
- Formula
- F6W
- SMILES
- [F][W]([F])([F])([F])([F])[F]
- Molecular Weight1
- 297.83
- CAS
- 7783-82-6
- Other Names
-
- Tungsten fluoride
- Tungsten fluoride (WF6)
- Tungsten fluoride (WF6), (OC-6-11)-
- Tungsten(VI) fluoride
- UN 2196
- WF6
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- EA : Electron affinity (eV).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρg : Gas Density (kg/m3).
- ρl : Liquid Density (kg/m3).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| EA | [2.74; 5.10] | eV |
|
| EA | 3.36 ± 0.20 | eV | NIST |
| EA | 3.50 ± 0.10 | eV | NIST |
| EA | 5.10 ± 0.50 | eV | NIST |
| EA | 3.70 ± 0.20 | eV | NIST |
| EA | 4.90 ± 0.40 | eV | NIST |
| EA | 2.74 | eV | NIST |
| Pc | 4270.00 | kPa | Air Liquide Gas Encyclopedia |
| Tboil | 290.21 | K | Air Liquide Gas Encyclopedia |
| Tc | 443.00 | K | Air Liquide Gas Encyclopedia |
| Tfus | 275.45 | K | Air Liquide Gas Encyclopedia |
Cheméo can also estimate Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | [25.80; 26.15] | kJ/mol | [290.21; 316.50] |
|
| ΔvapH | 26.15 | kJ/mol | 290.21 | Air Liquide Gas Encyclopedia |
| ΔvapH | 25.80 | kJ/mol | 316.50 | NIST |
| ρg | [11.11; 12.70] | kg/m3 | [288.15; 290.21] |
|
| ρg | 11.11 | kg/m3 | 288.15 | Air Liquide Gas Encyclopedia |
| ρg | 12.70 | kg/m3 | 290.21 | Air Liquide Gas Encyclopedia |
| ρl | 3430.00 | kg/m3 | 290.21 | Air Liquide Gas Encyclopedia |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [152.29; 158.29] | J/mol×K | [1000.00; 6000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 1.50790e+02 | |||
| Coefficient B | 6.06626e+00 | |||
| Coefficient C | -1.63394e+00 | |||
| Coefficient D | 1.38912e-01 | |||
| Coefficient E | -3.06813e+00 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-1777.217, G=504.3728, H=-1721.716; Data last reviewed in March, 1967 | |||
| Temperature range, min. | 1000.00 | |||
| Temperature range, max. | 6000.00 | |||
| Cp,gas | 152.29 | J/mol×K | 1000.00 | Calculated Property |
| Cp,gas | 155.53 | J/mol×K | 1555.56 | Calculated Property |
| Cp,gas | 156.93 | J/mol×K | 2111.11 | Calculated Property |
| Cp,gas | 157.55 | J/mol×K | 2666.67 | Calculated Property |
| Cp,gas | 157.72 | J/mol×K | 3222.22 | Calculated Property |
| Cp,gas | 157.66 | J/mol×K | 3777.78 | Calculated Property |
| Cp,gas | 157.53 | J/mol×K | 4333.33 | Calculated Property |
| Cp,gas | 157.50 | J/mol×K | 4888.89 | Calculated Property |
| Cp,gas | 157.70 | J/mol×K | 5444.44 | Calculated Property |
| Cp,gas | 158.29 | J/mol×K | 6000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [169.45; 169.45] | J/mol×K | [298.00; 1000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,liquid in J/mol×K, T in K | |||
| Coefficient A | 1.69452e+02 | |||
| Coefficient B | 4.69541e-07 | |||
| Coefficient C | -5.89844e-07 | |||
| Coefficient D | 2.49142e-07 | |||
| Coefficient E | 3.34291e-09 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-1798.894, G=454.2820, H=-1748.372; Data last reviewed in March, 1967 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,liquid | 169.45 | J/mol×K | 298.00 | Calculated Property |
| Cp,liquid | 169.45 | J/mol×K | 376.00 | Calculated Property |
| Cp,liquid | 169.45 | J/mol×K | 454.00 | Calculated Property |
| Cp,liquid | 169.45 | J/mol×K | 532.00 | Calculated Property |
| Cp,liquid | 169.45 | J/mol×K | 610.00 | Calculated Property |
| Cp,liquid | 169.45 | J/mol×K | 688.00 | Calculated Property |
| Cp,liquid | 169.45 | J/mol×K | 766.00 | Calculated Property |
| Cp,liquid | 169.45 | J/mol×K | 844.00 | Calculated Property |
| Cp,liquid | 169.45 | J/mol×K | 922.00 | Calculated Property |
| Cp,liquid | 169.45 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.13; 101.33] | kPa | [201.55; 290.25] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.42667e+01 | |||
| Coefficient B | -2.09011e+03 | |||
| Coefficient C | -7.36200e+01 | |||
| Temperature range, min. | 201.55 | |||
| Temperature range, max. | 290.25 | |||
| Pvap | 0.13 | kPa | 201.55 | Calculated Property |
| Pvap | 0.41 | kPa | 211.41 | Calculated Property |
| Pvap | 1.12 | kPa | 221.26 | Calculated Property |
| Pvap | 2.71 | kPa | 231.12 | Calculated Property |
| Pvap | 5.91 | kPa | 240.97 | Calculated Property |
| Pvap | 11.85 | kPa | 250.83 | Calculated Property |
| Pvap | 22.05 | kPa | 260.68 | Calculated Property |
| Pvap | 38.58 | kPa | 270.54 | Calculated Property |
| Pvap | 63.98 | kPa | 280.39 | Calculated Property |
| Pvap | 101.33 | kPa | 290.25 | Calculated Property |
| Pvap | [0.12; 107.41] | kPa | [201.50; 290.40] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.50950e+01 | |||
| Coefficient B | -2.35142e+03 | |||
| Coefficient C | -6.47000e+01 | |||
| Reference | Stull, 1947 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 201.50 | |||
| Temperature range, max. | 290.40 | |||
| Pvap | 0.12 | kPa | 201.50 | Calculated Property |
| Pvap | 0.39 | kPa | 211.38 | Calculated Property |
| Pvap | 1.08 | kPa | 221.26 | Calculated Property |
| Pvap | 2.63 | kPa | 231.13 | Calculated Property |
| Pvap | 5.80 | kPa | 241.01 | Calculated Property |
| Pvap | 11.77 | kPa | 250.89 | Calculated Property |
| Pvap | 22.24 | kPa | 260.77 | Calculated Property |
| Pvap | 39.54 | kPa | 270.64 | Calculated Property |
| Pvap | 66.68 | kPa | 280.52 | Calculated Property |
| Pvap | 107.41 | kPa | 290.40 | Calculated Property |
Similar Compounds
Find more compounds similar to Tungsten hexafluoride.
Sources
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